46 lines
1.2 KiB
TypeScript
46 lines
1.2 KiB
TypeScript
// Copyright 2019-2024 Tauri Programme within The Commons Conservancy
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// SPDX-License-Identifier: Apache-2.0
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// SPDX-License-Identifier: MIT
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import { createSignal } from "solid-js"
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const OS_NAME = (() => {
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if (navigator.userAgent.includes("Mac")) return "macos"
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if (navigator.userAgent.includes("Windows")) return "windows"
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if (navigator.userAgent.includes("Linux")) return "linux"
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return "unknown"
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})()
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const [webviewZoom, setWebviewZoom] = createSignal(1)
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const MAX_ZOOM_LEVEL = 10
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const MIN_ZOOM_LEVEL = 0.2
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const clamp = (value: number) => Math.min(Math.max(value, MIN_ZOOM_LEVEL), MAX_ZOOM_LEVEL)
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const applyZoom = (next: number) => {
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setWebviewZoom(next)
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void window.api.setZoomFactor(next)
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}
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window.addEventListener("keydown", (event) => {
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if (!(OS_NAME === "macos" ? event.metaKey : event.ctrlKey)) return
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if (event.key === "-") {
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event.preventDefault()
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applyZoom(clamp(webviewZoom() - 0.2))
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return
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}
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if (event.key === "=" || event.key === "+") {
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event.preventDefault()
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applyZoom(clamp(webviewZoom() + 0.2))
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return
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}
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if (event.key === "0") {
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event.preventDefault()
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applyZoom(1)
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}
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})
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export { webviewZoom }
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